package com.imooc.shell.service.impl;

import com.imooc.shell.dto.OrderDTO;
import com.imooc.shell.enums.ResultEnum;
import com.imooc.shell.exception.SellException;
import com.imooc.shell.service.OrderService;
import com.imooc.shell.service.PayService;
import com.imooc.shell.utils.JsonUtil;
import com.imooc.shell.utils.MathUtil;
import com.lly835.bestpay.enums.BestPayTypeEnum;
import com.lly835.bestpay.model.PayRequest;
import com.lly835.bestpay.model.PayResponse;
import com.lly835.bestpay.model.RefundRequest;
import com.lly835.bestpay.model.RefundResponse;
import com.lly835.bestpay.service.impl.BestPayServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;

@Service
@Slf4j
public class PayServiceImpl implements PayService {
    private final String ORDER_NAME = "微信点餐订单";
    @Autowired
    private BestPayServiceImpl bestPayService;
    @Autowired
    private OrderService orderService;

    @Override
    public PayResponse create(OrderDTO orderDTO) {
        PayRequest payRequest = new PayRequest();

        payRequest.setOpenid(orderDTO.getBuyerOpenid());
        payRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        payRequest.setOrderId(orderDTO.getOrderId());
        payRequest.setOrderName(ORDER_NAME);
        payRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);
        log.info("「微信支付」发起支付， request={}", JsonUtil.toJson(payRequest));

        PayResponse payResponse = bestPayService.pay(payRequest);
        log.info("「微信支付」 发起支付，  response={}", JsonUtil.toJson(payResponse));
        return payResponse;
    }

    @Override
    public PayResponse notify(String notifyData) {
        //1.验证签名
        //2.支付状态
        //3.支付金额
        //4.支付人（下单人===支付人）
        PayResponse payResponse = bestPayService.asyncNotify(notifyData);
        log.info("「微信支付」 异步通知，payResponse={}", payResponse);

        // 查询订单
        OrderDTO orderDTO = orderService.findOne(payResponse.getOrderId());
        //判断订单是否存在
        if (orderDTO == null) {
            log.info("「微信支付」 异步通知，订单不存在,orderId={}", payResponse.getOrderId());
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }
        //判断金额是否一致(0.10 0.1)
//        if (!orderDTO.getOrderAmount().equals(payResponse.getOrderAmount())) {
//        if (orderDTO.getOrderAmount().compareTo(new BigDecimal(payResponse.getOrderAmount())) != 0) {
        if (!MathUtil.equals(payResponse.getOrderAmount(), orderDTO.getOrderAmount().doubleValue())) {
            log.error("「微信支付」 异步通知，订单金额不一致,orderId={},系统金额={},微信通知金额={}",
                    payResponse.getOrderId(),
                    orderDTO.getOrderAmount(),
                    payResponse.getOrderAmount());
            throw new SellException(ResultEnum.WXPAY_NOTIFY_MONEY_VERIFY);
        }
        // 修改订单的支付状态
        orderService.paid(orderDTO);

        return payResponse;
    }

    @Override
    public RefundResponse refund(OrderDTO orderDTO) {
        RefundRequest refundRequest = new RefundRequest();
        refundRequest.setOrderId(orderDTO.getOrderId());
        refundRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        refundRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);
        log.info("「微信退款」 request={}",JsonUtil.toJson(refundRequest));

        RefundResponse refundResponse = bestPayService.refund(refundRequest);
        log.info("「微信退款」 refundResponse={}",JsonUtil.toJson(refundResponse));
        return refundResponse;
    }
}
